(19)
(11) EP 0 827 171 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.03.1999 Bulletin 1999/13

(43) Date of publication A2:
04.03.1998 Bulletin 1998/10

(21) Application number: 97114586.7

(22) Date of filing: 22.08.1997
(51) International Patent Classification (IPC)6: H01H 50/04, H01H 50/28
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 26.08.1996 JP 223765/96

(71) Applicant: NEC CORPORATION
Tokyo (JP)

(72) Inventors:
  • Ichikawa, Kazuhiro
    Minato-ku, Tokyo (JP)
  • Ide, Tatsumi
    Minato-ku, Tokyo (JP)
  • Kojima, Katsuto
    Minato-ku, Tokyo (JP)
  • Kaito, Akihiro
    Minato-ku, Tokyo (JP)
  • Azuma, Toshihiro
    Minato-ku, Tokyo (JP)

(74) Representative: Glawe, Delfs, Moll & Partner 
Patentanwälte Postfach 26 01 62
80058 München
80058 München (DE)

   


(54) Electromagnetic relay


(57) An electromagnetic relay includes a spool (1a), a coil (3c) wound on the spool, an armature (12a) inserted in the through hole (70) of the spool, a yoke (4a) fixed to the spool by fitting, hinge springs (9), a movable spring (8), a hinge spring fixing portion (10), an attaching/fixing portion (200), and at least one terminal (5a,5b). The armature (12a) operates upon excitation of the coil (3c). The yoke (4a) has first and second opposing upright portions (40a,40b). One end of the armature (12a) is in contact with a one-end face of the first upright portion (40a), and the other end thereof opposes the other-end face of the second upright portion (40b). The hinge springs (9) set the armature (12a) at a predetermined angle with respect to the yoke (4a), and urge one end of the armature (12a) against the one-end face of the first upright portion to ensure magnetic connection. The movable spring (8) has a movable contact (7) and extends on one end side of the hinge springs (9) to be connected to the armature (12a). The hinge spring fixing portion (10) extends on the other end side of the hinge springs (9) to support them and the movable spring (8). The attaching/fixing portion (200) attaches and fixes the hinge spring fixing portion (10) on the first upright portion (40a) by a single operation. The terminal member (5a,5b) is fixed to one end portion of the spool (1a) by press fitting and has a stationary contact (6) adjacent to the movable contact (7).






Search report